CN101723267B - Tracking controller of obliquely-pulling lifting of tower crane - Google Patents
Tracking controller of obliquely-pulling lifting of tower crane Download PDFInfo
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- CN101723267B CN101723267B CN2009101543042A CN200910154304A CN101723267B CN 101723267 B CN101723267 B CN 101723267B CN 2009101543042 A CN2009101543042 A CN 2009101543042A CN 200910154304 A CN200910154304 A CN 200910154304A CN 101723267 B CN101723267 B CN 101723267B
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- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 description 19
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a tracking controller of obliquely-pulling lifting of a tower crane, which comprises a hollow outer shell body (7) and a lifting speed changing assembly, wherein the lifting speed changing assembly is arranged on the outer shell body (7); a hanging hammer body (8) and a tracking slide body (6) are respectively arranged in the cavity of the outer shell body (7); a passage (61) is arranged in the tracking slide body (6); the hanging hammer body (8) is positioned in the passage (61) of the tracking slide body (6); the lifting speed changing assembly is connected with the tracking slide body (6), and the hanging hammer body (8) is flexibly connected with the outer shell body (7); or the lifting speed changing assembly is flexibly connected with the hanging hammer body (8), and the tracking slide body (6) is connected with the outer shell body (7); and two poles of a conductive contact body (10) are respectively connected with the outer surface of the hanging hammer body (8) and the inner surface of the passage (61). The tracking controller of obliquely-pulling lifting of the tower crane can be used for effectively controlling the obliquely-pulling lifting phenomenon of the tower crane, thereby ensuring the safe operation of the tower crane.
Description
Technical field
The present invention relates to a tracking controller of obliquely-pulling lifting of tower crane.
Background technology
In short supply day by day along with the propelling of social cityization and land resources, the skyscraper in the urban construction is more and more, in the construction of skyscraper, the sustainer of vertical transport when tower turned crane has become high-building construction.But great tower crane collapse accident happens occasionally.In the use of tower crane, the major reason that causes the tower crane collapse accident basically all is to cause owing to manual operation is improper; The inclined pull hoisting phenomenon that how effectively occurs in the control operation is the effective ways that prevent that the tower crane collapse accident from taking place.
Because it is far away more that the suspension hook dolly of tower crane slides into the distance of body of the tower, the comprehensive holding capacity of tower crane also just more a little less than.Equally, tower crane is high more, and the hoist cable of being emitted is also just long more, and the infringement power to tower crane during inclined pull hoisting is also just big more.
Summary of the invention
The technical matters that the present invention will solve provides a kind of tracking controller of obliquely-pulling lifting of tower crane that can follow the tracks of hoist cable folding and unfolding length, uses this tracking controller of obliquely-pulling lifting of tower crane can effectively control the inclined pull hoisting phenomenon of tower crane, thereby guarantees the safe operation of tower crane.
In order to solve the problems of the technologies described above; The present invention provides a kind of tracking controller of obliquely-pulling lifting of tower crane; Comprise the body skin of hollow and be arranged on the up-down speed change assembly on the body skin; In the cavity of body skin, be respectively equipped with the sash weight body and follow the tracks of slide mass, follow the tracks of in the slide mass and be provided with passage, the sash weight body is positioned at the passage of following the tracks of slide mass;
Up-down speed change assembly links to each other with the tracking slide mass, and the sash weight body is flexible coupling with body skin and links to each other; The speed change of perhaps going up and down assembly is flexible coupling with the sash weight body and links to each other, and follows the tracks of slide mass link to each other with body skin (promptly at this moment, the tracking slide mass is a positioning unit, and the sash weight body is a slide mass);
The two poles of the earth of conduction contact I link to each other with the outside face of sash weight body and the inside face of passage respectively.
A kind of improvement as tracking controller of obliquely-pulling lifting of tower crane of the present invention: up-down speed change assembly is flexible coupling with the tracking slide mass and links to each other, and the sash weight body is flexible coupling with body skin and links to each other; The two poles of the earth of conduction contact II link to each other with the outside face of following the tracks of slide mass and the inside face of body skin respectively.
Another kind as tracking controller of obliquely-pulling lifting of tower crane of the present invention improves: up-down speed change assembly is flexible coupling with the sash weight body and links to each other, and the tracking slide mass is flexible coupling with body skin and links to each other; The two poles of the earth of conduction contact II link to each other with the outside face of following the tracks of slide mass and the inside face of body skin respectively.
Further improvement as tracking controller of obliquely-pulling lifting of tower crane of the present invention: up-down speed change assembly comprises the tracking turbine and tracking worm screw that complements one another; Follow the tracks of the end face that turbine is installed in body skin; Follow the tracks of screw mandrel with follow the tracks of turbine be threaded in form under be movably connected, on the tracking worm screw, be provided with the tracking roller; Be fixedly linked with following the tracks of clamping ring after following the tracks of the end face that screw mandrel penetrates body skin, follow the tracks of clamping ring and be positioned at the top of following the tracks of slide mass, and follow the tracks of clamping ring and be flexible coupling with the tracking slide mass and link to each other; The sash weight body is flexible coupling with the end face of body skin and links to each other.
Further improvement as tracking controller of obliquely-pulling lifting of tower crane of the present invention: follow the tracks of the diameter of the internal diameter of clamping ring greater than the sash weight body.
Further improvement as tracking controller of obliquely-pulling lifting of tower crane of the present invention: the axial line overlaid of sash weight body, tracking slide mass, passage and body skin.
Principle of work of the present invention is to allow tiltedly to draw angle through the maximum that the hoist cable folding and unfolding length of following the tracks of the tower crane height is provided with in various degree.The weight that hangs on away from body of the tower or suspension hook dolly when the suspension hook dolly is during away from arm (being in the big state of infringement to tower crane); Hoist cable is lengthened; Follow the tracks of the bottom of slide mass near the sash weight body this moment, the slight inclination of hoist cable will cause conducting electricity contact I closure and send alarm message.On the contrary; The weight that hangs near body of the tower or suspension hook dolly when the suspension hook dolly is during near arm (being in the less state of the infringement of tower crane); Hoist cable is received weak point; Follow the tracks of the top of slide mass near the sash weight body this moment, the relatively large inclination of hoist cable just can cause conducting electricity contact I closure and send alarm message.When as long as the folding and unfolding length of hoist cable changes; Following the tracks of the generation of slide mass and sash weight physical efficiency relatively moves; Follow the tracks of slide mass when lengthening and received near the bottom of sash weight body and hoist cable and follow the tracks of the top of slide mass in short-term thereby reach hoist cable, all can realize the object of the invention near the sash weight body.Therefore, can be designed to the tracking slide mass moved up and down, and the sash weight body remains unchanged on above-below direction through the variation of perception hoist cable; Also can be designed to according to the variation of hoist cable the sash weight body moved up and down, on certain set point, remain unchanged and follow the tracks of slide mass through up-down speed change assembly.Under the prerequisite that inventive concept of the present invention and summary of the invention are provided, these designs all are to realize easily, therefore need not detailed informing.For example: up-down speed change assembly also can play effect same after adopting gear.
In sum, groundwork principle of the present invention is: the movement length of the hoist cable ratio through turbine, worm screw or gear is compressed into the movement length of following the tracks of slide mass, controls the tiltable angle of sash weight body again through the place diverse location of following the tracks of slide mass; That is to say, when the suspension hook dolly from the weight that hangs on the far away or suspension hook dolly of body of the tower when arm is far away, when promptly hoist cable is long more, but the angle of inclined pull hoisting is just more little; Thereby guarantee the safe operation of tower crane.
Description of drawings
Do further explain below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is the sectional structure scheme drawing of tracking controller of obliquely-pulling lifting of tower crane of the present invention;
Fig. 2 is the sectional structure scheme drawing of Fig. 1 when being in hoist cable and lengthening state;
Fig. 3 is the actual running condition scheme drawing of Fig. 1;
Fig. 4 is the part sectional view that A-A cuts open among Fig. 3.
The specific embodiment
Fig. 1 has provided a kind of tracking controller of obliquely-pulling lifting of tower crane, comprises the body skin 7 of hollow, and this body skin 7 is to surround the circular staving that forms by end face 71 and sidewall.In the cavity of body skin 7, be respectively equipped with and follow the tracks of clamping ring 4, follow the tracks of slide mass 6 and sash weight body 8; It is cylindrical to follow the tracks of clamping ring 4, and sash weight body 8 is cylindrical, in following the tracks of slide mass 6, is provided with passage 61, and it is cylindrical therefore to follow the tracks of slide mass 6.The axial line overlaid of sash weight body 8, tracking slide mass 6, passage 61, body skin 7 and tracking clamping ring 4.Sash weight body 8 is positioned at the passage 61 of following the tracks of slide mass 6, so the aperture of passage 61 is greater than the diameter of sash weight body 8; The two poles of the earth of conduction contact I 10 link to each other with the outside face of sash weight body 8 and the inside face of passage 61 respectively.Follow the tracks of clamping ring 4 and be positioned at the top of following the tracks of slide mass 6, and follow the tracks of the diameter of the internal diameter of clamping ring 4 greater than sash weight body 8.
The two poles of the earth of conduction contact II 11 link to each other with the outside face of following the tracks of slide mass 6 and the inside face of body skin 7 respectively.Sash weight body 8 links to each other with spring 52 (selecting stabilizing spring for use) through soft rope 51 with the end face 71 of body skin 7, thereby realizes being flexible coupling between sash weight body 8 and the body skin 7; The spring 52 main stabilizations that rise prevent that sash weight body 8 from double swerve arbitrarily taking place; Thereby avoid the generation of flase alarm.
On body skin 7, be provided with up-down speed change assembly; This up-down speed change assembly comprises the tracking turbine 2 and tracking worm screw 3 that complements one another; Follow the tracks of the end face 71 that turbine 2 is installed in body skin 7, on tracking worm screw 3, be provided with and follow the tracks of roller 9 (following the tracks of worm screw 3 relies on pivot pin 91 to link to each other with tracking roller 9); Follow the tracks of the Vertical Channel that is provided with negative thread in the turbine 2; Follow the tracks of screw mandrel 1 and be provided with the outside thread that negative thread therewith matches; Rely on negative thread and externally threaded being threaded, the tracking screw mandrel 1 that is positioned at Vertical Channel can be up and down in Vertical Channel along with following the tracks of turbine 2 to rotate.The bottom of following the tracks of screw mandrel 1 penetrates end face 71 backs of body skin 7 and follows the tracks of clamping ring 4 and is fixedly linked.Link to each other with spring 54 (selecting stabilizing spring for use) through soft rope 53 between tracking clamping ring 4 and the tracking slide mass 6, thereby realized that indirectly up-down speed change assembly links to each other with being flexible coupling of slide mass 6 of tracking; The spring 54 main stabilizations that rise prevent to follow the tracks of slide mass 6 double swerve arbitrarily take place; Thereby avoid the generation of flase alarm.
During tracking controller of obliquely-pulling lifting of tower crane real work of the present invention, be installed on the existing tower crane hoisting crane, as shown in Figure 3:
The body of the tower place is provided with winch 101, and arm links to each other with body of the tower, and arm is provided with dolly traction machine 102 and suspension hook dolly 104, and dolly traction machine 102 drives suspension hook dolly 104 through dolly trailing cable 103 and on arm, slides.The assembly pulley of being made up of 4 pulleys 109 links to each other with suspension hook dolly 104, assembly pulley 109 suspension weight suspension hooks; One end of hoist cable 100 links to each other with winch 101, and the other end is walked around the end (promptly referring to the end away from the arm of body of the tower) that is fixed on arm behind the assembly pulley 109.Foregoing is a routine techniques.
Obliquely-pulling lifting of tower crane tracking system device of the present invention is positioned at the below of suspension hook dolly 104; This obliquely-pulling lifting of tower crane tracking system device is provided with the fixedly connection support 105 of usefulness at the outside face of body skin 7; On suspension hook dolly 104, be provided with a cross bar 108; Connect support 105 and link to each other with cross bar 108, thereby realize being flexible coupling between obliquely-pulling lifting of tower crane tracking system device of the present invention and the suspension hook dolly 104 through spring 107, purpose be during for fear of inclined pull hoisting generation by the phenomenon that fractures.On connection support 105, be provided with guide wheel units 106 (described in application number 200910095393.8).Hoist cable 100 passes earlier follows the tracks of roller 9, and then passes guide wheel units 106; Follow the tracks of roller 9 and be close to hoist cable 100 (of Fig. 4), 106 pairs of hoist cables 100 of guide wheel units only play directional tagging (not fitting together each other between guide wheel units 106 and the hoist cable 100).
Conduction contact I 10 links to each other through the controller signals of remote controller with the tower crane system with conduction contact II 11.
Concrete working process is following:
1, when dolly traction machine 102 pulling suspension hook dolly 104 during away from body of the tower or weight suspension hook during away from arm; The tracking roller 9 that abuts against on the hoist cable 100 is just driven and lift-over by hoist cable 100; Be mounted on the tracking worm screw 3 owing to follow the tracks of roller 9, also driven tracking worm screw 3 and the rotation of following the tracks of turbine 2 so follow the tracks of the rotation of roller 9; Thereby further drive is followed the tracks of screw mandrel 1 and is done descending motion, also does descending motion simultaneously with the tracking clamping ring 4 that tracking screw mandrel 1 links to each other, and in like manner, links to each other with tracking clamping ring 4 owing to follow the tracks of slide mass 6, and therefore following the tracks of slide mass 6 also does descending motion simultaneously.That is, tracking slide mass 6, tracking clamping ring 4 are to do descending motion synchronously.At this moment, originally near the tracking slide mass 6 at sash weight body 8 tops gradually near the bottom of sash weight body 8, promptly from state shown in Figure 1 to state change shown in Figure 2.
2, when hoist cable 100 inclined pull hoistings, body skin 7 is together with following the tracks of slide mass 6 (following the tracks of slide mass 6 is under the support power effect of spring 54) along with hoist cable 100 tilts synchronously, and promptly body skin 7 is on the same gradient with hoist cable 100 together with following the tracks of slide mass 6.But sash weight body 8 keeps plumbness under the effect of gravity; Sash weight body 8 will touch and follow the tracks of slide mass 6 like this; Promptly conducting electricity the two poles of the earth of contact I 10 contacts, and remote controller will conduct electricity the information of contact I 10 conductings and be transmitted to the controller of tower crane system, and controller sends one-level and reports to the police.When hoist cable 100 further tilts (when the angle of inclination is strengthened); Because receiving the restriction of sash weight body 8, tracking slide mass 6 can't continue to tilt; And body skin 7 continues to tilt along with hoist cable 100 together, and following the tracks of the outside face of slide mass 6 and the inside face of body skin 7 will contact, and promptly conducts electricity the two poles of the earth of contact II 11 to contact; Remote controller will conduct electricity the information of contact II 11 conductings and be transmitted to the controller of tower crane system; Controller sends secondary and reports to the police, and cuts off the startup power supply of tower crane, thus the safety when guaranteeing tower crane work.(in the real work, in case of necessity, the conducting of conduction contact I 10 also can realize cutting off the startup power supply of tower crane.)
When following the tracks of slide mass 6 near the bottom of sash weight body 8 (as shown in Figure 2), the permission angle of inclination of hoist cable 100 (but being the rake angle of sash weight body 8 and body skin 7) is significantly less than the permission angle of inclination of hoist cable 100 when following the tracks of slide mass 6 near the top (as shown in Figure 1) of sash weight body 8.Therefore, through the diverse location place that slide mass 6 up-and-down movements to sash weight body 8 is followed the tracks of in control, can regulate the permission angle of inclination of hoist cable 100.That is to say that the folding and unfolding length of hoist cable 100 has become follows the tracks of the diverse location of slide mass 6 with respect to sash weight body 8, direct control the permission angle of inclination of hoist cable 100 under different conditions.
3, when winch 101 is received ropes (promptly packing up hoist cable 100), promptly suspension hook dolly 104 is near body of the tower or weight suspension hook during near arm; Hoist cable 100 drives follows the tracks of roller 9 lift-over, follows the tracks of worm screw 3 and the rotation of following the tracks of turbine 2 thereby driven; Tracking screw mandrel 1 is being driven does upward movement, and tracking slide mass 6, tracking clamping ring 4 are done synchronous upward movement.At this moment, originally near the tracking slide mass 6 of sash weight body 8 bottoms gradually near the top of sash weight body 8, promptly from state shown in Figure 2 to state change shown in Figure 1.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (6)
1. tracking controller of obliquely-pulling lifting of tower crane; It is characterized in that: comprise the body skin (7) of hollow and be arranged on the up-down speed change assembly on the body skin (7); In the cavity of body skin (7), be respectively equipped with sash weight body (8) and follow the tracks of slide mass (6); Follow the tracks of in the slide mass (6) and be provided with passage (61), sash weight body (8) is positioned at the passage (61) of following the tracks of slide mass (6); The aperture of said passage (61) is greater than the diameter of sash weight body (8);
Up-down speed change assembly links to each other with tracking slide mass (6), and sash weight body (8) is flexible coupling with body skin (7) and links to each other; The speed change of perhaps going up and down assembly is flexible coupling with sash weight body (8) and links to each other, and follows the tracks of slide mass (6) and links to each other with body skin (7);
The two poles of the earth of conduction contact I (10) link to each other with the outside face of sash weight body (8) and the inside face of passage (61) respectively.
2. tracking controller of obliquely-pulling lifting of tower crane according to claim 1 is characterized in that: said up-down speed change assembly is flexible coupling with tracking slide mass (6) and links to each other, and sash weight body (8) is flexible coupling with body skin (7) and links to each other; The two poles of the earth of conduction contact II (11) link to each other with the outside face of following the tracks of slide mass (6) and the inside face of body skin (7) respectively.
3. tracking controller of obliquely-pulling lifting of tower crane according to claim 1 is characterized in that: said up-down speed change assembly is flexible coupling with sash weight body (8) and links to each other, and tracking slide mass (6) is flexible coupling with body skin (7) and links to each other; The two poles of the earth of conduction contact II (11) link to each other with the outside face of following the tracks of slide mass (6) and the inside face of body skin (7) respectively.
4. tracking controller of obliquely-pulling lifting of tower crane according to claim 2; It is characterized in that: said up-down speed change assembly comprises the tracking turbine (2) that complements one another and follows the tracks of worm screw (3); Said tracking turbine (2) is installed in the end face (71) of body skin (7); Follow the tracks of screw mandrel (1) be movably connected down with what be threaded in form, on tracking worm screw (3), be provided with tracking roller (9) with following the tracks of turbine (2); Follow the tracks of end face (71) back that screw mandrel (1) penetrates body skin (7) and be fixedly linked with following the tracks of clamping ring (4), said tracking clamping ring (4) is positioned at the top of following the tracks of slide mass (6), and follows the tracks of clamping ring (4) and be flexible coupling with tracking slide mass (6) and link to each other; Said sash weight body (8) is flexible coupling with the end face (71) of body skin (7) and links to each other.
5. tracking controller of obliquely-pulling lifting of tower crane according to claim 4 is characterized in that: the internal diameter of said tracking clamping ring (4) is greater than the diameter of sash weight body (8).
6. tracking controller of obliquely-pulling lifting of tower crane according to claim 5 is characterized in that: the axial line overlaid of said sash weight body (8), tracking slide mass (6), passage (61) and body skin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101543042A CN101723267B (en) | 2009-11-30 | 2009-11-30 | Tracking controller of obliquely-pulling lifting of tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101543042A CN101723267B (en) | 2009-11-30 | 2009-11-30 | Tracking controller of obliquely-pulling lifting of tower crane |
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| Publication Number | Publication Date |
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| CN101723267A CN101723267A (en) | 2010-06-09 |
| CN101723267B true CN101723267B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101543042A Active CN101723267B (en) | 2009-11-30 | 2009-11-30 | Tracking controller of obliquely-pulling lifting of tower crane |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071760A (en) * | 1991-10-11 | 1993-05-05 | 李向坤 | A kind of seismic signal sensing device |
| CN1325016A (en) * | 2000-05-18 | 2001-12-05 | 武汉高科传感技术工程有限公司 | Wide-scale telemetering obliquity instrument |
| US6668668B1 (en) * | 1999-02-08 | 2003-12-30 | Stanley Assembly Technologies | Non-contacting sensors |
| CN1877651A (en) * | 2006-06-20 | 2006-12-13 | 江汉大学 | Multifunctional sensor |
| CN101462673A (en) * | 2009-01-12 | 2009-06-24 | 李来友 | Inclined pull hoisting controller |
-
2009
- 2009-11-30 CN CN2009101543042A patent/CN101723267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071760A (en) * | 1991-10-11 | 1993-05-05 | 李向坤 | A kind of seismic signal sensing device |
| US6668668B1 (en) * | 1999-02-08 | 2003-12-30 | Stanley Assembly Technologies | Non-contacting sensors |
| CN1325016A (en) * | 2000-05-18 | 2001-12-05 | 武汉高科传感技术工程有限公司 | Wide-scale telemetering obliquity instrument |
| CN1877651A (en) * | 2006-06-20 | 2006-12-13 | 江汉大学 | Multifunctional sensor |
| CN101462673A (en) * | 2009-01-12 | 2009-06-24 | 李来友 | Inclined pull hoisting controller |
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| CN101723267A (en) | 2010-06-09 |
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Owner name: NANTONG PANGYUAN MACHINERY ENGINEERING CO., LTD. Free format text: FORMER OWNER: LI LAIYOU Effective date: 20140606 |
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Application publication date: 20100609 Assignee: NANTONG PANGYUAN MACHINERY ENGINEERING CO., LTD. Assignor: Li Laiyou Contract record no.: 2014330000139 Denomination of invention: Tracking controller of obliquely-pulling lifting of tower crane Granted publication date: 20120425 License type: Exclusive License Record date: 20140508 |
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